20. Section Check 1 Question 1 ________ are flat, raised areas of land with horizontal rocks that were uplifted. A. Coastal plains B. Interior plains C. Mountains D. Plateaus NC: 5.01, 5.03
21. 1 Section Check Answer The answer is D. Plateaus are found at higher elevations than plains. NC: 5.01, 5.03
22. Section Check 1 Question 2 When molten material reaches Earth’s surface through a weak area, _______ mountains begin to form. A. fault-block B. folded C. upwarped D. volcani c NC: 5.01, 5.03
23. 1 Section Check Answer The answer is D. Mount St. Helens and Mount Shasta are volcanic mountains. NC: 5.01, 5.03
24. Section Check 1 Question 3 Describe the difference between the formation of folded mountains and fault-block mountains. NC: 5.01, 5.03
25. 1 Section Check Answer Folded mountains form when rock layers are squeezed from opposite sides. NC: 5.01, 5.03
26. 1 Section Check Answer Fault-block mountains form when some rock blocks move up along a fracture and an adjacent block moves down. NC: 5.01, 5.03